Finding the Third Proportional to 1,443 and 3,209.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443 : 3,209.25 = 3,209.25 : x
2. Step 2: Convert to fraction form
   1,443/3,209.25 = 3,209.25/x
3. Step 3: Cross multiply
   1,443x = 3,209.25 × 3,209.25
4. Step 4: Simplify right side
   1,443x = 10,299,285.56
5. Step 5: Solve for x
   x = 10,299,285.56/1,443
6. Step 6: Final answer
   x = 7,137.41